/* =================================================================
   TGIS 論壇單頁網站 — 自訂樣式 (web_style.css)
   風格：Hero-Centric / 深色科技感
   配色取自 edm_a4.png 深色區塊
   ================================================================= */

:root {
  /* 深色底色 */
  --bg-darkest: #061B2E;
  --bg-dark:    #08233B;
  --bg-deep:    #0B2F50;
  --surface:    #0F3358;
  --surface-2:  #13406B;
  --line:       rgba(120, 170, 210, 0.18);

  /* 主題強調色 */
  --cyan:       #2BB8C2;   /* 青色光暈 */
  --cyan-deep:  #23979F;
  --blue:       #2E7FD6;   /* 趨勢導航 */
  --blue-deep:  #1658A0;
  --orange:     #E48013;   /* 政府資源加值 */
  --green:      #88BF3D;   /* 品牌綠 */

  /* 文字 */
  --text:        #EAF3FA;
  --text-soft:   #C2D4E4;
  --text-muted:  #8AA6BE;

  /* 尺寸 */
  --radius:      16px;
  --radius-sm:   10px;
  --maxw:        1180px;
  --nav-h:       72px;

  /* 漸層 */
  --grad-title:  linear-gradient(100deg, #4FD2DC 0%, #46A9F0 45%, #6FE0C8 100%);
  --grad-cta:    linear-gradient(120deg, #2BB8C2 0%, #2E7FD6 100%);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Noto Sans TC", "微軟正黑體", "Microsoft JhengHei",
               "PingFang TC", "Heiti TC", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(900px 600px at 12% -5%, rgba(46, 127, 214, 0.22), transparent 60%),
    radial-gradient(800px 600px at 95% 8%, rgba(43, 184, 194, 0.18), transparent 55%),
    radial-gradient(900px 700px at 50% 110%, rgba(22, 88, 160, 0.20), transparent 60%);
  background-attachment: fixed;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 智慧 / 科技感底紋：細網格 + 光點 (再淡 50%，整體約 6~8% 強度) */
html::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 170, 210, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 210, 0.03) 1px, transparent 1px),
    radial-gradient(rgba(43, 184, 194, 0.08) 1.4px, transparent 1.6px);
  background-size: 46px 46px, 46px 46px, 46px 46px;
  background-position: -1px -1px, -1px -1px, 23px 23px;
  /* 中央較亮、邊緣淡出，避免均勻死板 */
  -webkit-mask-image: radial-gradient(120% 90% at 50% 35%, #000 30%, rgba(0,0,0,.35) 100%);
          mask-image: radial-gradient(120% 90% at 50% 35%, #000 30%, rgba(0,0,0,.35) 100%);
}

/* 右上角局部柔和大圓環 (參考主視覺) */
body::before {
  content: "";
  position: fixed;
  top: -400px;
  right: -320px;
  width: 1180px;
  height: 1180px;
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle,
    rgba(160, 205, 235, 0.022) 0 55.5%,
    transparent 55.8% 58.2%,
    rgba(190, 222, 246, 0.05) 58.2% 59.4%,    /* 內環 */
    transparent 59.7% 70.0%,
    rgba(190, 222, 246, 0.043) 70.0% 71.1%,   /* 外環 */
    transparent 71.4%);
}

/* 確保內容浮在背景紋飾之上 */
.tgis-nav, main, .tgis-footer { position: relative; z-index: 1; }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #6FE0E8; }

.section-pad { padding: 84px 0; }

.container-tgis {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 22px;
}

/* 通用區塊標題 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .984rem;            /* 原 .82rem，放大 120% */
  letter-spacing: .18em;
  font-weight: 600;
  color: var(--cyan);
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(43, 184, 194, 0.08);
}
.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: .01em;
  margin: 18px 0 10px;
  line-height: 1.3;
}
.section-lead {
  color: var(--text-soft);
  max-width: 720px;
  font-size: 1.02rem;
}

/* =================================================================
   導覽列
   ================================================================= */
.tgis-nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  /* 預設即帶偏深的微漸層底色，讓 LOGO + 選單區更聚焦 */
  background: linear-gradient(180deg,
    rgba(3, 14, 26, 0.94) 0%,
    rgba(4, 20, 34, 0.74) 55%,
    rgba(4, 20, 34, 0) 100%);
  transition: background-color .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.tgis-nav.scrolled {
  background: rgba(6, 27, 46, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--line);
}
.tgis-nav .container-tgis {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 48px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-weight: 500;
  font-size: 1.1rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color .2s ease, background-color .2s ease;
}
.nav-links a:hover { color: #fff;}
.nav-links a.active { color: #fff; }

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: #fff;
  background-image: var(--grad-cta);
  border: none;
  border-radius: 999px;
  padding: 11px 22px;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(43, 184, 194, 0.30);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  white-space: nowrap;
}
.btn-cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(43, 184, 194, 0.45);
  filter: brightness(1.06);
}
.btn-cta.btn-lg { padding: 15px 32px; font-size: 1.08rem; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 14px 26px;
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}
.btn-ghost:hover {
  color: #fff;
  border-color: var(--cyan);
  background: rgba(43, 184, 194, 0.10);
  transform: translateY(-2px);
}

/* 手機選單按鈕 */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  width: 44px; height: 44px;
  font-size: 1.3rem;
  cursor: pointer;
}

/* =================================================================
   Hero
   ================================================================= */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 32px);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--text);
  background: rgba(43, 184, 194, 0.12);
  border: 1px solid rgba(43, 184, 194, 0.35);
  border-radius: 999px;
  padding: 8px 16px;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43,184,194,.25);
}
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.35rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: .01em;
  margin: 22px 0 0;
}
.hero h1 .grad {
  background: var(--grad-title);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .hero-en {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: clamp(.85rem, 1.5vw, 1.02rem);
  letter-spacing: .01em;
  font-weight: 400;
}
.hero .hero-sub {
  margin-top: 20px;
  color: var(--text-soft);
  font-size: 1.06rem;
  max-width: 540px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
}
.hero-chip i { color: var(--cyan); font-size: 2rem; }
.hero-chip .lbl { color: var(--text-muted); letter-spacing: .08em; }
.hero-chip .val { font-size: .98rem; font-weight: 700; color: var(--text); }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.hero-note {
  margin-top: 18px;
  font-size: .86rem;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 8px;
}

/* Hero 主視覺 */
.hero-visual { position: relative; }
.hero-visual .glow {
  position: absolute;
  inset: -12% -6% -6% -6%;
  background: radial-gradient(closest-side, rgba(43,184,194,.45), transparent 72%);
  filter: blur(36px);
  z-index: 0;
}
.hero-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 30px 70px rgba(0,0,0,.45);
  display: block;
}
.hero-float {
  position: absolute;
  z-index: 2;
  background: rgba(8, 35, 59, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 14px 34px rgba(0,0,0,.4);
}
.hero-float.tl { top: 14px; left: -18px; }
.hero-float.br { bottom: 14px; right: -18px; }
.hero-float .icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  font-size: 1.2rem; color: #fff;
}
.hero-float .icon.b { background: linear-gradient(135deg, var(--blue), var(--blue-deep)); }
.hero-float .icon.o { background: linear-gradient(135deg, #00ab95, var(--cyan-deep)); }
.hero-float .t1 { font-weight: 800; font-size: 1.05rem; line-height: 1; }
.hero-float .t2 { font-size: .76rem; color: var(--text-muted); }

/* =================================================================
   亮點卡片
   ================================================================= */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 44px;
}
/* 亮點卡片採 edm_a4.png 實色底色 */
.h-card {
  position: relative;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 32px 28px 30px;
  overflow: hidden;
  color: #fff;
  box-shadow: 0 16px 34px rgba(0,0,0,.32);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
/* 底部加深漸層，提升白色文字對比 */
.h-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.06) 0%, rgba(0,0,0,.18) 100%);
  pointer-events: none;
}
.h-card > * { position: relative; z-index: 1; }
.h-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 50px rgba(0,0,0,.42);
  filter: brightness(1.05);
}
.h-card.c-blue   { background: #1658A0; }   /* 趨勢導航 */
.h-card.c-cyan   { background: #23979F; }   /* AI 實戰解方 */
.h-card.c-orange { background: #E48013; }   /* 政府資源加值 */

.h-card .h-icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  display: grid; place-items: center;
  font-size: 1.7rem;
  margin-bottom: 18px;
  background: rgba(255,255,255,.18);
  color: #fff;
}
.h-card .num {
  position: absolute; top: 22px; right: 26px;
  font-size: 2.8rem; font-weight: 900;
  color: rgba(255,255,255,.18);
  line-height: 1;
}
.h-card h3 { font-size: 1.32rem; font-weight: 800; margin: 0 0 10px; color: #fff; }
.h-card p { color: rgba(255,255,255,.94); margin: 0; font-size: .98rem; }

/* =================================================================
   活動資訊
   ================================================================= */
.info-wrap {
  background: linear-gradient(180deg, rgba(15,51,88,.6), rgba(8,35,59,.6));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 40px;
  margin-top: 40px;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 40px;
}
.info-item {
  display: flex;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}
.info-item:last-child, .info-item:nth-last-child(2):nth-child(odd) { border-bottom: none; }
.info-item .ic {
  flex: 0 0 46px;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(43,184,194,.12);
  color: var(--cyan);
  display: grid; place-items: center;
  font-size: 1.25rem;
}
.info-item .lbl { color: var(--text-muted); letter-spacing: .06em; }
.info-item .val { font-weight: 600; color: var(--text); font-size: 1.04rem; }

/* =================================================================
   議程
   ================================================================= */
.agenda-list { margin-top: 40px; }
.agenda-head {
  display: grid;
  grid-template-columns: 150px 1fr 1.05fr;
  gap: 20px;
  padding: 14px 26px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: .1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}
.agenda-row {
  display: grid;
  grid-template-columns: 150px 1fr 1.05fr;
  gap: 20px;
  align-items: start;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15,51,88,.35);
  margin-top: 14px;
  transition: border-color .25s ease, background-color .25s ease, transform .2s ease;
}
.agenda-row:hover {
  border-color: rgba(43,184,194,.45);
  background: rgba(15,51,88,.6);
  transform: translateX(4px);
}
.agenda-time {
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  font-size: 1.02rem;
  display: inline-flex; align-items: center; gap: 8px;
}
.agenda-time i { color: var(--cyan); }
.agenda-topic .tag {
  display: inline-block;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
  background: rgba(46,127,214,.18);
  color: #7fb6f5;
  border: 1px solid rgba(46,127,214,.3);
}
.agenda-topic .tag.t-ai     { background: rgba(43,184,194,.18); color: #5fe0d4; border-color: rgba(43,184,194,.3); }
.agenda-topic .tag.t-gov    { background: rgba(228,128,19,.18); color: #f6a94e; border-color: rgba(228,128,19,.3); }
.agenda-topic .tt { font-weight: 700; font-size: 1.06rem; color: var(--text); }
.agenda-topic .sub { color: var(--text-muted); font-size: .9rem; margin-top: 4px; }
.agenda-speaker { color: var(--text-soft); font-size: .98rem; }
.agenda-speaker .role { color: var(--text-muted); display: block; margin-bottom: 4px; letter-spacing: .05em; }
.agenda-speaker ol { margin: 0; padding-left: 1.1em; }
.agenda-speaker ol li { margin-bottom: 3px; }

/* =================================================================
   主辦 / 協辦
   ================================================================= */
/* 主辦 / 協辦：2 欄滿版 */
.org-wrap { margin-top: 40px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.org-card {
  background: rgba(15,51,88,.35);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 34px;
}
.org-card .role {
  font-size: .92rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--cyan); font-weight: 700; margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 8px;
}
.org-card ul { margin: 0; padding-left: 1.2em; color: var(--text-soft); font-size: 1.06rem; }
.org-card ul li { margin-bottom: 8px; }
.org-card.single .name { font-size: 1.06rem; font-weight: 600; color: var(--text); }

/* =================================================================
   報名 CTA 區
   ================================================================= */
.cta-final {
  position: relative;
  margin: 40px auto 0;
  max-width: var(--maxw);
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(700px 400px at 18% 0%, rgba(43,184,194,.30), transparent 60%),
    radial-gradient(700px 500px at 90% 100%, rgba(46,127,214,.30), transparent 60%),
    linear-gradient(180deg, var(--surface-2), var(--bg-deep));
  border: 1px solid rgba(43,184,194,.3);
  padding: 64px 40px;
  text-align: center;
}
.cta-final h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 900;
  margin: 0 0 18px;
}
.cta-final p { color: var(--text-soft); margin: 0 auto 32px; font-size: 1.06rem; }
.cta-final .hero-actions { justify-content: center; }
.cta-mini {
  margin-top: 22px;
  font-size: .9rem;
  color: var(--text-muted);
  display: inline-flex; align-items: center; gap: 8px;
}

/* 報名按鈕 + QR Code 並排 */
.cta-register {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-register-main { text-align: center; }

.cta-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.cta-qr a {
  display: block;
  background: #fff;
  padding: 12px;
  border-radius: 16px;
  box-shadow: 0 14px 34px rgba(0,0,0,.4);
  transition: transform .2s ease, box-shadow .2s ease;
}
.cta-qr a:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(0,0,0,.5); }
/* qr_code.svg 模塊為白色（為深底設計），反相為黑模塊以利掃描 */
.cta-qr img { display: block; width: 148px; height: 148px; filter: invert(1); }
.cta-qr-cap {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  display: inline-flex; align-items: center; gap: 8px;
}
.cta-qr-cap i { color: var(--cyan); }

@media (max-width: 575px) {
  .cta-register { gap: 28px; }
}

/* =================================================================
   會場位置
   ================================================================= */
.venue-card {
  background: linear-gradient(180deg, rgba(15,51,88,.55), rgba(8,35,59,.55));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px 36px;
  margin-top: 40px;
}
.venue-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.venue-lbl {
  display: block;
  font-size: .92rem;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.venue-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  display: flex; align-items: center; gap: 12px;
  line-height: 1.3;
}
.venue-name i { color: var(--cyan); font-size: 1.4rem; }
.venue-line {
  margin-top: 8px;
  padding-left: 36px;
  color: var(--text-soft);
  font-size: 1.16rem;
  font-weight: 600;
}
.venue-action { display: flex; align-items: center; gap: 28px; }
.venue-divider { width: 1px; height: 56px; background: var(--line); }
.venue-btn { white-space: nowrap; }
.venue-btn i { color: var(--cyan); font-size: 1.15rem; }

/* 地圖嵌於卡片內 */
.venue-map {
  margin-top: 26px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  line-height: 0;
}
.venue-map iframe {
  width: 100%;
  height: 420px;
  border: 0;
  display: block;
}

@media (max-width: 767px) {
  .venue-card { padding: 22px; }
  .venue-action { width: 100%; }
  .venue-divider { display: none; }
  .venue-btn { width: 100%; justify-content: center; }
  .venue-name { font-size: 1.28rem; }
  .venue-line { font-size: 1.02rem; padding-left: 32px; }
  .venue-map iframe { height: 320px; }
}

/* =================================================================
   頁尾
   ================================================================= */
.tgis-footer {
  margin-top: 90px;
  border-top: 1px solid var(--line);
  background: rgba(6, 27, 46, 0.6);
  padding: 48px 0 36px;
}
.footer-top { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.tgis-footer img { height: 60px; width: auto; }
.footer-slogan { color: var(--text-soft); font-size: 1.02rem; }
.footer-bottom {
  margin-top: 28px; padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--text-muted); font-size: .9rem;
  display: flex; flex-wrap: wrap; gap: 14px 24px;
  justify-content: space-between; align-items: center;
}
.footer-company { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; }
.footer-company-name { font-weight: 700; color: var(--text-soft); }
.footer-info { display: inline-flex; align-items: center; gap: 6px; }
.footer-info i { color: var(--cyan); }
.footer-info a { color: var(--text-muted); }
.footer-info a:hover { color: var(--cyan); }
.footer-copy { color: var(--text-muted); }

/* =================================================================
   進場動畫
   ================================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
}
.reveal.in { opacity: 1; transform: none; }

/* =================================================================
   響應式
   ================================================================= */
@media (max-width: 991px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; max-width: 540px; margin-inline: auto; }
  .hero-float.tl { left: 8px; }
  .hero-float.br { right: 8px; }
  .highlight-grid { grid-template-columns: 1fr; }
  .org-wrap { grid-template-columns: 1fr; }

  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(6,27,46,.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding: 10px 16px 18px;
    transform: translateY(-12px);
    opacity: 0; visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 14px 12px; border-radius: 8px; }
  .nav-links .btn-cta { margin-top: 8px; justify-content: center; }
  .nav-toggle { display: grid; place-items: center; }
}

@media (max-width: 767px) {
  .section-pad { padding: 60px 0; }
  .info-wrap { padding: 26px 20px; }
  .info-grid { grid-template-columns: 1fr; }
  .info-item:nth-last-child(2):nth-child(odd) { border-bottom: 1px solid var(--line); }

  .agenda-head { display: none; }
  .agenda-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px;
  }
  .agenda-row > div { position: relative; }
  .agenda-time { font-size: 1.1rem; }
  .agenda-speaker { padding-top: 12px; border-top: 1px dashed var(--line); }

  .cta-final { padding: 44px 22px; }
  .hero-float { display: none; }
  .footer-bottom { flex-direction: column; }
}

/* 尊重減少動態偏好 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}